Method for preparing 6-.beta.-halopenicillanic acids
Abstract
The present invention relates to a new and improved method for the preparation of a compound of the formula I ##STR1## in which R stands for halogen, giving rise to high yields of substantially pure 6.beta.-halopenicillanic acids, obtained in one step.
- Inventors:
-
- Fredensborg, DK
- Skovlunde, DK
- Rungsted Kyst, DK
- Issue Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- OSTI Identifier:
- 867034
- Patent Number(s):
- 4847266
- Assignee:
- Leo Pharmaceutical Products Ltd. (Ballerup, DK)
- Patent Classifications (CPCs):
-
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07D - HETEROCYCLIC COMPOUNDS
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; preparing; 6-; beta; -halopenicillanic; acids; relates; improved; preparation; compound; formula; str1; stands; halogen; giving; rise; yields; substantially; pure; obtained; step; substantially pure; improved method; /514/
Citation Formats
Hansen, Erik I, Kran-Nielsen, Mogens P, and Von Daehne, Welf. Method for preparing 6-.beta.-halopenicillanic acids. United States: N. p., 1989.
Web.
Hansen, Erik I, Kran-Nielsen, Mogens P, & Von Daehne, Welf. Method for preparing 6-.beta.-halopenicillanic acids. United States.
Hansen, Erik I, Kran-Nielsen, Mogens P, and Von Daehne, Welf. Sun .
"Method for preparing 6-.beta.-halopenicillanic acids". United States. https://www.osti.gov/servlets/purl/867034.
@article{osti_867034,
title = {Method for preparing 6-.beta.-halopenicillanic acids},
author = {Hansen, Erik I and Kran-Nielsen, Mogens P and Von Daehne, Welf},
abstractNote = {The present invention relates to a new and improved method for the preparation of a compound of the formula I ##STR1## in which R stands for halogen, giving rise to high yields of substantially pure 6.beta.-halopenicillanic acids, obtained in one step.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}